<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>Transmit Functions</title><meta name="generator" content="DocBook XSL Stylesheets V1.76.1"><meta name="keywords" content="Intellon, Atheros, Qualcomm, HomePlug, powerline, communications, INT6000, INT6300, INT6400, AR7400, AR7420"><link rel="home" href="index.html" title="Qualcomm Atheros Open Powerline Toolkit"><link rel="up" href="ch08.html" title="Chapter 8.  Serial Drivers"><link rel="prev" href="ch08s05.html" title="Interrupt Functions"><link rel="next" href="ch08s07.html" title="Receive Functions"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">
				Transmit Functions
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		Serial Drivers
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				Transmit Functions
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				qcaspi_transmit
				</h3></div></div></div><div class="funcsynopsis"><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" class="funcprototype-table"><tr><td><code class="funcdef">int <b class="fsfunc">qcaspi_transmit</b>(</code></td><td><var class="pdparam">qca</var><code>)</code>;</td><td> </td></tr></table><div class="paramdef-list"><code>struct qcaspi * <var class="pdparam">qca</var></code>;</div><div class="funcprototype-spacer"> </div></div><p>
				Transmit as many frames as possible from the transmit queue.
				</p></div><div class="section" title="qcaspi_tx_frame"><div class="titlepage"><div><div><h3 class="title"><a name="qcaspi_tx_frame"></a>
				qcaspi_tx_frame
				</h3></div></div></div><div class="funcsynopsis"><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" class="funcprototype-table"><tr><td><code class="funcdef">int <b class="fsfunc">qcaspi_tx_frame</b>(</code></td><td><var class="pdparam">qca</var>, </td><td> </td></tr><tr><td> </td><td><var class="pdparam">skb</var><code>)</code>;</td><td> </td></tr></table><div class="paramdef-list"><code>struct qcaspi * <var class="pdparam">qca</var></code>;<br><code>struct sk_buff * <var class="pdparam">skb</var></code>;</div><div class="funcprototype-spacer"> </div></div><p>
				Transmit a single socket buffer over the SPI interface. 
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				qcaspi_flush_txq
				</h3></div></div></div><div class="funcsynopsis"><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" class="funcprototype-table"><tr><td><code class="funcdef">void <b class="fsfunc">qcaspi_flush_txq</b>(</code></td><td><var class="pdparam">qca</var><code>)</code>;</td><td> </td></tr></table><div class="paramdef-list"><code>struct qcaspi * <var class="pdparam">qca</var></code>;</div><div class="funcprototype-spacer"> </div></div><p>
				Flush the transmit queue. Typically called when a synchronization issue is detected between the SPI master (host) and SPI slave (QCA7000).
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